CN102410731A - Hot air circulation system and heating and cooling furnace - Google Patents
Hot air circulation system and heating and cooling furnace Download PDFInfo
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- CN102410731A CN102410731A CN201110425126XA CN201110425126A CN102410731A CN 102410731 A CN102410731 A CN 102410731A CN 201110425126X A CN201110425126X A CN 201110425126XA CN 201110425126 A CN201110425126 A CN 201110425126A CN 102410731 A CN102410731 A CN 102410731A
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Abstract
The invention provides a hot air circulation system and a heating and cooling furnace comprising the same. The hot air circulation system comprises a fan, a fan support, a heater, a main hot air channel, a hot air conveying channel and a main hot air shield, wherein the fan is fixed on the fan support, one end of the main hot air channel is connected with the fan, the other end of the main hot air channel is sequentially connected with the hot air conveying channel and the main hot air shield, and the heater is arranged in the main hot air channel. The hot air circulation system and the heating and cooling furnace comprising the same have the advantages of easily achieving good temperature uniformity inside a furnace body, being capable of heating large articles uniformly, being very beneficial to device performances, and being far superior to the conventional furnace wire heating plate manner in the aspect of heating.
Description
Technical field
The present invention relates to a kind of hot air circulating system and have this system and can heat, the body of heater of constant temperature, cooling.
Background technology
Be used for device is implemented the technology of heating in the stove, constant temperature, refrigerating function,, need accomplish by the heating cool furnace as to large piece articles such as solar battery glass substrates.
Existing heating cool furnace is the heating of stove silk formula, and the temperature homogeneity of device is very poor; Constantly there is new cold wind to get into the body of heater hiccup in the cooling procedure, its gas concentration is changed, be unfavorable for the workshop condition that process for cooling and stove are outer.
In addition, in order to enhance productivity, often use conveying mechanism to accomplish to operations such as device heats, coolings.Traditional conveying mechanism is the chain-belt type structure, and its weight is very big, mechanism is complicated, transmission power is big, can not stationary transfer, and needs regular maintenance.
Summary of the invention
In order to overcome above-mentioned shortcoming, the invention provides a kind of hot air circulating system that can implement even heating to large piece article.
Hot air circulating system according to the invention; Comprise blower fan, fan supporter, heater, hot blast main air duct, hot blast conveying air channel, hot blast main air cover; Wherein blower fan is fixed on the fan supporter; Hot blast main air duct one end links to each other with blower fan, and the hot blast main air duct other end carries air channel, hot blast main air cover to link to each other successively with hot blast, is provided with heater in the hot blast main air duct.
During work; Blower fan pumps to the low temperature wind of burner hearth bottom in the hot blast main air duct, is formed hot blast by the heating of the heater in it back, after hot blast carries the air channel to be transported to hot blast main air cover; Be purged to device surface through hot blast main air cover, thereby realize the even heating of device.Then, the low temperature hot blast after the acting heats once more, carries, purges after being repeated to pump to the heater main air duct again, repeats this process, and device is realized the intensification of device and the temperature and time that constant temperature reaches technological requirement in the course of conveying in the chamber.
Said hot air circulating system makes and realizes good temperature homogeneity in the body of heater easily, can implement uniform heating to large piece article, and device performance is highly profitable, and is much better than the heating of conventional stove silk heating plate mode.
In order to realize better effect, said hot air circulating system also comprises homogenizing plate, and it is arranged on hot blast main air cover end.Hot blast can make it be purged to device surface more equably through hot blast main air cover through homogenizing plate, further realizes the even heating of device.
The present invention also provide a kind of simple in structure, in light weight, transfer steadily, device heats uniform heating cool furnace.
Heating cool furnace according to the invention; Comprise said hot air circulating system; And body of heater, cooling recirculation system, conveying mechanism, frame, wherein hot air circulating system and cooling recirculation system are separately positioned on the body of heater, and conveying mechanism is fixed on the frame and along body of heater and vertically passes body of heater inside.
In order to realize better effect, said heating cool furnace can also adopt following measure:
1, said cooling recirculation system comprises blower fan, cooling main air duct, cold-trap, interior air channel, cooling main air cover; Wherein blower fan is fixed on the frame; Cooling main air duct one end links to each other with blower fan; The cooling main air duct other end links to each other with interior air channel, cooling main air cover successively, and cold-trap is arranged on outside the body of heater, and the cooling main air duct passes cold-trap.
During work, by blower fan hot blast in the hearth body is extracted out outside the body of heater, the approach body of heater is the cooling main air duct of cold-trap in addition, with being transmitted back to interior air channel again after the hot blast cooling, after cooling main air cover evenly is purged to cooled low temperature wind on the device, makes device evenly cool off.Several groups of same cooling systems repeat above-mentioned functions, the hot blast of lowering the temperature is step by step cooled off after-blow respectively sweep to device surface, device surface is cooled to gradually require to come out of the stove after the temperature.The quantity of cooling system is confirmed by technological requirement.
Said cooling recirculation system adopts blower fan to extract the hot blast in the cavity out, is generally the hot blast of protective gas, and through getting into the cavity air channel once more after the cold-trap cooling, device is swept in the current-sharing after-blow; Do not add new cold wind and get into cavity, make gas concentration and environment in the cavity constant, just temperature is reducing gradually, and the process for cooling process of device is highly profitable, and simultaneously the workshop condition outside the body of heater is had no influence.
2, said cooling recirculation system also comprises homogenizing plate, and it is arranged on cooling main air cover end.Hot blast is the last cooling main air cover that flows into after supercooling, can make it be purged to device surface more equably through homogenizing plate, further realizes the even cooling of device.
3, said conveying mechanism comprises driving machine, sprocket wheel, sprocket shaft, spring bearing assembly, some chains, connecting plate, guide rail bracket; Wherein driving machine, sprocket wheel all are fixed on the frame; Sprocket wheel and chain engages; Be parallel to each other between the chain, its position distribution of sprocket wheel of another chain is identical relatively with each sprocket wheel of a chain engages, connects through same sprocket shaft between the identical sprocket wheel of these distributing positions; Driving machine is connected with one of them sprocket shaft, and sprocket shaft is connected with the spring bearing assembly; Chain vertically passes body of heater inside along body of heater, and per two adjacent chains are one group, between two chains of every group connecting plate is set, and connecting plate is fixedly connected with two chains, and guide rail bracket is fixed on burner hearth bottom and is connected with chain.
Conveying mechanism is in working order the time; Driving machine drives a sprocket shaft and rotates, thereby sprocket shaft drives the sprocket rotation with the orientation, under the engagement of chain, drives the sprocket rotation in other orientation; Thereby the connecting plate on the chain is moved stably; Completion is to the conveying of device, and guide rail bracket plays guide effect to chain, makes it keep smooth and level and smooth conveying at long stroke.
Conveying mechanism is provided with connecting plate between two chains, decide the group number of chain according to the device widths size, and device shape is different, and the connecting plate structure is different.The quantity of normal conditions lower chain is 2 or 4 or 6, is divided into 1 to 3 group.Use same axle to reach Driven by Coaxial with the sprocket wheel of chain engages, can guarantee that the displaced plate of connecting plate each point on overall width is same, thereby form a big supporting plane, make the handover of device more steady.Mechanism compares with the traditional chain belt conveying, and the chain scraper conveyor structure is in light weight, the steady precision of handover is high, mechanism is simple, hardly with safeguarding.
4, said conveying mechanism also comprises carrier bar elastic tensioning mechanism, and it is fixed on the frame, links to each other with a sprocket shaft.When chain heats in stove just because thermal stretching, thereby cause slack and undisciplined and influence the normal rotation of sprocket wheel and the stationary transfer of carrier bar, the chain after elastic tensioning mechanism is can tensioner flexible is realized adjustment automatically, guarantees that operation is normal and steady.
5, said body of heater is provided with process window, is connected for living between process window and the body of heater.Being provided with of process window can make things convenient for dismounting, adjustment and the maintenance of inner each parts of body of heater and system.
6, fire door place, said body of heater two ends is provided with the air curtain box.Intercept the inside and outside gas flow of body of heater through forming gas curtain after feeding gas to the air curtain box.The ventilation back forms the air curtain that deadens mutually inside and outside the furnace chamber, is used for the interior protective gas of shutoff stove and does not leak, and the atmosphere in the protection chamber does not receive the influence of outside air.
7, said body of heater is provided with air inlet pipe.Body of heater inside can feed protective gas through air inlet pipe, and the high-quality of being convenient to technical process is realized.
When heating cool furnace according to the invention is opened; Respectively organize hot air circulating system energising in the stove, respectively organize the logical cooling water of cooling system cold-trap, the energising of chain and pan conveyor structure drive motors, the connecting plate hot blast that speed is transferred on request, bringing-up section is accomplished in each blower fan energising running is carried and conveying, current-sharing, the purging function of the wind that is cooled of cooling section.Device is manually loading and unloading on the import and export connecting plate of body of heater, or the automatic charging of the headend equipment that continues, automatic blanking are transferred to next device.Equipment is constantly accomplished material loading, intensification, the constant temperature of device, the overall process of blanking of cooling off, come out of the stove in turning round continuously.Hot air circulating system satisfies the heating of device and the time and the temperature requirement of constant temperature; Cool off afterwards, satisfy device cool time and the temperature requirement when body of heater exports.
Description of drawings
Fig. 1 is the front view of heating cool furnace according to the invention.
Fig. 2 is the enlarged drawing at hot air circulating system position among Fig. 1.
Fig. 3 is the sectional drawing at hot air circulating system position among Fig. 1.
Fig. 4 is the enlarged drawing at cooling recirculation system position among Fig. 1.
Fig. 5 is the sectional drawing at cooling recirculation system position among Fig. 1.
Fig. 6 is chain and a connecting plate structure enlarged drawing partly among Fig. 3.
Each piece number explanation among the figure:
The 1-frame; The 2-chain; 3-elastic tensioning mechanism; The 4-sprocket shaft; The 5-sprocket wheel; The 6-device; The 7-body of heater; 8-hot blast main air duct; 9-hot blast main air cover; The 10-homogenizing plate; The 11-heater; The 12-blower fan; The 13-connecting plate; 14-cools off main air duct; Air channel in the 15-; 16-cooling main air cover; The 17-air inlet pipe; 18-air curtain box; 19-driving machine; The 20-guide rail bracket; The 21-fan supporter; The 22-process window; The 23-hot blast is carried the air channel; 24-spring bearing assembly; The 25-support column.
The specific embodiment
In conjunction with Fig. 1 to Fig. 4 heating cool furnace according to the invention is elaborated.
As depicted in figs. 1 and 2; Body of heater 7 leading portions of heating cool furnace according to the invention are provided with hot air circulating system; Comprise blower fan 12, hot blast main air duct 8, hot blast conveying air channel 23, hot blast main air cover 9, homogenizing plate 10; These several parts order successively link to each other and are arranged in the body of heater 7, and blower fan 12 is fixed on the fan supporter 21, is provided with heater 11 in the hot blast main air duct 8.Blower fan 12 pumps to the main air duct 8 that arrives having heaters 11 in the chamber with the low temperature wind of chamber inner bottom part; Hot blast after being heated carries air channel 23 to be transported in the hot blast main air cover 9 through hot blast; Behind homogenizing plate 10, evenly be purged to device surface in device 6 stoves, realize the even heating of device by the hot blast of current-sharing.Processes such as the low temperature hot blast after the acting heats after being pumped to the heater main air duct again repeatedly once more, conveying, current-sharing, purging realize the intensification of device and the temperature and time that constant temperature reaches technological requirement with device in the course of conveying in the chamber.Wherein temperature freely adjusted and controlled to every group of heater all can by technological requirement.
As shown in figures 1 and 3; Body of heater 7 back segments of heating cool furnace according to the invention are provided with cooling recirculation system; Comprise blower fan 12, cooling main air duct 14, interior air channel 15, cooling air main air cover 16, homogenizing plate 10, these several parts order successively link to each other, and blower fan 12 is fixed on the fan supporter 21; Blower fan 12, cooling main air duct 14 are arranged on body of heater 7 outsides, and cooling main air duct 14 passes through cold-trap.Blower fan 12 is extracted hot blast in the cavity outside the chamber out; Air channel 15 in after the cooling air channel 14 of body of heater tyre cold-trap cools off hot blast, being transmitted back to again; Cooled low temperature wind evenly is purged in the body of heater 7 on the device 6 through homogenizing plate 10 through cooling air main air cover 16, makes device 6 evenly cool off.The cooling hop count is confirmed that by technological requirement present embodiment is three sections body of heater coolings, the hot blast of lowering the temperature is step by step cooled off after-blow respectively sweep to device surface, device surface is cooled to gradually require to come out of the stove after the temperature.
Like Fig. 1, Fig. 2 and shown in Figure 4; Heating cool furnace according to the invention also has the chain and pan conveyor structure, and it comprises 19,4 chains 2 of driving machine, 4,16 sprocket wheels 5 of 3,4 sprocket shafts of elastic tensioning mechanism, some connecting plates 13, support column 21, guide rail bracket 20, spring bearing assembly 24, frame 1; Wherein driving machine 19 contains motor and decelerator.
Chain 2 vertically runs through body of heater inside along body of heater 7, and 4 chains 2 are divided into 2 groups, 2 chains 2 of 1 configuration set; Every chain 2 and 4 sprocket shaft 5 engagements, 4 chains 2 are arranged in parallel, and on the chain 2 bent plate are set; Through bent plate connecting plate 13 is connected with 2 chains, sees Fig. 4; The support column 21 of supporting device 6 is set on the connecting plate 13, supports board-like device 6 by support column 21, the board-like device 6 of implementing heating, constant temperature, cooling supports through support column 21, thereby it is moved in body of heater 7 stably.
The relative position of the sprocket shaft 4 under the sprocket shaft 4 under chain 2 and other chains 2 is identical; Sprocket shaft 4 is just on the identical sprocket wheel 5 of these relative positions; 4 chain 2 Driven by Coaxial, its upper junction plate 13 forms a big supporting plane, is used for the stationary transfer of device 6; Spring bearing assembly 24 is enclosed within on the sprocket shaft 4, so that its smooth rotation.
2 groups of connecting plates are side by side formed the carrier bar induction system.By driving machine 19 drive chain wheel shafts 4, realized driving by same sprocket shaft 4 in the carrier bar system by coaxial 4 sprocket wheels 5 of each activation point at the port of export for the chain-plate type induction system, the displaced plate that guarantees carrier bar each point on overall width with, transfer steadily.Be provided with carrier bar elastic tensioning mechanism 3 at arrival end; Be used for chain in heating furnace because thermal stretching; Cause carrier bar slack and undisciplined and influence the normal rotation of sprocket wheel and the stationary transfer of carrier bar, elastic tensioning mechanism 3 can realize automatic adjustment, the tensioner carrier bar after flexible, guarantee operation normal with steadily.
As shown in Figure 2, body of heater 7 is provided with air inlet pipe 17 and process window 22, and wherein body of heater 7 inside can feed protective gas through air inlet pipe 17, and the high-quality of being convenient to technical process is realized; Is connected for living between process window 22 and the body of heater 7, can makes things convenient for dismounting, adjustment and the maintenance of body of heater each parts of inside and system.
Fire door place, body of heater as shown in Figure 17 two ends also is provided with air curtain box 18, intercepts the inside and outside gas flow of body of heater through forming gas curtain after feeding gas to air curtain box 18.
When said heating cool furnace is opened; Respectively organize hot air circulating system energising in the stove, respectively organize the logical cooling water of cooling system cold-trap, the energising of chain and pan conveyor structure drive motors, the connecting plate hot blast that speed is transferred on request, bringing-up section is accomplished in each blower fan energising running is carried and conveying, current-sharing, the purging function of the wind that is cooled of cooling section.Device is manually loading and unloading on the import and export connecting plate of body of heater, or the automatic charging of the headend equipment that continues, automatic blanking are transferred to next device.Equipment is constantly accomplished material loading, intensification, the constant temperature of device, the overall process of blanking of cooling off, come out of the stove in turning round continuously.Hot air circulating system satisfies the heating of device and the time and the temperature requirement of constant temperature; Cool off afterwards, satisfy device cool time and the temperature requirement when body of heater exports.
Claims (10)
1. hot air circulating system; It is characterized in that it comprises blower fan, fan supporter, heater, hot blast main air duct, hot blast conveying air channel, hot blast main air cover; Wherein blower fan is fixed on the fan supporter; Hot blast main air duct one end links to each other with blower fan, and the hot blast main air duct other end carries air channel, hot blast main air cover to link to each other successively with hot blast, is provided with heater in the hot blast main air duct.
2. hot air circulating system according to claim 1 is characterized in that it also comprises homogenizing plate, and it is arranged on hot blast main air cover end.
3. one kind is heated cool furnace; It is characterized in that it comprises the described hot air circulating system of claim 1; And body of heater, cooling recirculation system, conveying mechanism, frame; Wherein hot air circulating system and cooling recirculation system are separately positioned on the body of heater, and conveying mechanism is fixed on the frame and along body of heater and vertically passes body of heater inside.
4. heating cool furnace according to claim 3; It is characterized in that said cooling recirculation system comprises blower fan, cooling main air duct, cold-trap, interior air channel, cooling main air cover; Wherein blower fan is fixed on the frame, and cooling main air duct one end links to each other with blower fan, and the cooling main air duct other end links to each other with interior air channel, cooling main air cover successively; Cold-trap is arranged on outside the body of heater, and the cooling main air duct passes cold-trap.
5. heating cool furnace according to claim 4 is characterized in that said cooling recirculation system also comprises homogenizing plate, and it is arranged on cooling main air cover end.
6. according to the arbitrary described heating cool furnace of claim 3 to 5; It is characterized in that said conveying mechanism comprises driving machine, sprocket wheel, sprocket shaft, spring bearing assembly, some chains, connecting plate, guide rail bracket; Wherein driving machine, sprocket wheel all are fixed on the frame, and sprocket wheel and chain engages are parallel to each other between the chain; Its position distribution of sprocket wheel of another chain is identical relatively with each sprocket wheel of a chain engages; Connect through same sprocket shaft between the identical sprocket wheel of these distributing positions, driving machine is connected with one of them sprocket shaft, and sprocket shaft is connected with the spring bearing assembly; Chain vertically passes body of heater inside along body of heater, and per two adjacent chains are one group, between two chains of every group connecting plate is set, and connecting plate is fixedly connected with two chains, and guide rail bracket is fixed on burner hearth bottom and is connected with chain.
7. heating cool furnace according to claim 6 is characterized in that said conveying mechanism also comprises carrier bar elastic tensioning mechanism, and it is fixed on the frame, links to each other with a sprocket shaft.
8. according to the arbitrary described heating cool furnace of claim 3 to 5, it is characterized in that said body of heater is provided with process window, be connected for living between process window and the body of heater.
9. according to the arbitrary described heating cool furnace of claim 3 to 5, it is characterized in that fire door place, said body of heater two ends is provided with the air curtain box.
10. according to the arbitrary described heating cool furnace of claim 3 to 5, it is characterized in that said body of heater is provided with air inlet pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110425126XA CN102410731A (en) | 2011-12-19 | 2011-12-19 | Hot air circulation system and heating and cooling furnace |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110425126XA CN102410731A (en) | 2011-12-19 | 2011-12-19 | Hot air circulation system and heating and cooling furnace |
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| CN102410731A true CN102410731A (en) | 2012-04-11 |
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| CN201110425126XA Pending CN102410731A (en) | 2011-12-19 | 2011-12-19 | Hot air circulation system and heating and cooling furnace |
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Cited By (7)
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| CN103925787A (en) * | 2014-05-06 | 2014-07-16 | 胡妍 | Movable tunnel furnace |
| CN105651046A (en) * | 2014-05-06 | 2016-06-08 | 曹新民 | Movable high-temperature tunnel furnace |
| CN105651045A (en) * | 2014-05-06 | 2016-06-08 | 曹新民 | Movable high-temperature tunnel kiln for heating through hot air circulation |
| CN105674736A (en) * | 2014-05-06 | 2016-06-15 | 曹新民 | Movable high-temperature tunnel furnace utilizing hot air circulation for heating |
| CN108203801A (en) * | 2016-12-19 | 2018-06-26 | 大连圣洁热处理科技发展有限公司 | A kind of energy-saving roller mesh-belt furnace of Whole fiber |
| CN111351348A (en) * | 2018-12-24 | 2020-06-30 | 中国电子科技集团公司第四十八研究所 | Chain type sintering furnace cooling system and chain type sintering furnace |
| CN113375469A (en) * | 2021-07-15 | 2021-09-10 | 青岛赛瑞达电子科技有限公司 | Heat collection, cooling and air exhaust device at top of diffusion furnace |
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| CN108203801A (en) * | 2016-12-19 | 2018-06-26 | 大连圣洁热处理科技发展有限公司 | A kind of energy-saving roller mesh-belt furnace of Whole fiber |
| CN111351348A (en) * | 2018-12-24 | 2020-06-30 | 中国电子科技集团公司第四十八研究所 | Chain type sintering furnace cooling system and chain type sintering furnace |
| CN113375469A (en) * | 2021-07-15 | 2021-09-10 | 青岛赛瑞达电子科技有限公司 | Heat collection, cooling and air exhaust device at top of diffusion furnace |
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Address after: 266100 No. 10, Tongchuan Road, Licang District, Shandong, Qingdao Applicant after: Qingdao Sunred Electronic Equipment Co., Ltd. Address before: 266100 No. 10, Tongchuan Road, Licang District, Shandong, Qingdao Applicant before: Qingdao Sunred Equipment Manufacturing Co., Ltd. |
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Application publication date: 20120411 |
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| WD01 | Invention patent application deemed withdrawn after publication |